n.(船的)龍骨

v.(船)傾覆；突然倒下；出問題

The keel of the boat was made of steel. 這船的龍骨是鋼制的。

The workers are laying a keel of the ship. 工人正在給那艘船安龍骨。

The ship keeled over in the storm. 那艘船在暴風(fēng)雨中傾覆了。

He must have drunk too much; when he tried to stand up, he keeled over. 他肯定是喝多了，當(dāng)他要站起來時(shí)，卻摔倒在地上。

My email system would keel over if I tried send that much data. 如果我想發(fā)送那么多的數(shù)據(jù)，我的電子系統(tǒng)就會(huì)出問題。